@JRista , you stated " I use a Canon EOS R5, which is a very high resolution camera, with their 100mm IS Macro lens, which is very very sharp. I am able to produce incredible details on my own, and they are just how I like them. I really don't like, need or want Adobe's AI to be mucking around with anything else in my images...I really JUST want to correct noise."
If you are totally satisfied with the results provided by your Camera Manufacturer use the software provided by them to process the RAW files.
You cannot do noise reduction in LrC or any other third party raw processing software without using their software to de mosaic the raw data.
... View more